Configure repository to use my RSA key

Question

I have a public key file associated with my github account. On my computer, all git repositories use that file when I use git push. One repository, however, is broken and I cannot push anything. The error I get:

Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

Since the other repositories work, there must be some problem with using the correct RSA file. How do I set the repository to use correctly the .ssh/id_rsa.pub when connecting to GitHub? This is my list of "remotes":

github  https://github.com/USERNAME/PROJECT-NAME.git (fetch)
github  https://github.com/USERNAME/PROJECT-NAME.git (push)
origin  [email protected]:USERNAME/PROJECT-NAME.git (fetch)
origin  [email protected]:USERNAME/PROJECT-NAME.git (push)

When pushing using origin, I need to use the RSA file.

What does the list of remotes look like for the working repos? Do you have the same access rights for all repos? — Harald Nordgren
– Harald Nordgren, Commented Jan 22, 2017 at 22:56
@HaraldNordgren Yes. The only difference is that this particular repo was ALSO connected to our university git server. But those remotes were already removed. — Tomáš Zato
– Tomáš Zato, Commented Jan 22, 2017 at 23:01

VonC · Accepted Answer · 2017-01-23 05:41:33Z

1

Check your git config -l and your environment variables for any clue which could explain this.

With a recent enough (GIt 2.10+), you also can set the environment variable GIT_SSH_COMMAND to:

ssh -v

That will allow to debug any git command using ssh: you will see exactly what ssh does for that repo that is might do differently for other repos.

answered Jan 23, 2017 at 5:41

VonC

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1 Comment

Tomáš Zato Over a year ago

Thank you very much, I'll see what I can find out.

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